Valkee, a Finland-based health technology company, has received €7.4 million in Series A funding from current and new investors. The company has developed a light therapy device that channels bright light into the brain through the ear canal. The therapy has been found to have beneficial effects on mood and wellbeing. The product has already been launched in Europe under the CE Class II medical device certification. Valkee, which was founded in 2007, will use its new funds to expand its market base, reseller network and use cases.